docs(blog): update political compass post with correct EVR, GL-PvdA evidence, scree plot, HTML table

- Fix EVR numbers: PC1~29%, PC2~11.5% (~41%) single-window; PC1~14.6%, PC2~13.1% multi-window
- Fix window count: 38 -> 41 time windows
- Add scree plot (docs/research/scree_multiwindow.png) embedded in EVR callout
- Add party agreement heatmap (docs/research/party_agreement_2023Q3.png) with GL-PvdA 99.8% figure
- Convert markdown pipe-table to HTML table
- Remove text-embedding/fused pipeline references (not in production)
- Simplify pipeline diagram and reproducibility block
- Update DB size to ~18 GB

docs/research/party_agreement_2023Q3.csv

@@ -0,0 +1,23 @@
+,BBB,BIJ1,Brinkman,CDA,ChristenUnie,D66,DENK,Ephraim,FVD,Fractie Den Haan,GroenLinks,Groep Van Haga,Gündogan,JA21,Omtzigt,PVV,PvdA,PvdD,SGP,SP,VVD,Volt
+BBB,1.0,0.6071,,0.5941,0.5859,0.5188,0.7267,0.7256,0.6432,0.6656,0.6334,0.7283,0.6255,0.7246,0.7741,0.7119,0.635,0.6072,0.7725,0.6759,0.5777,0.6072
+BIJ1,0.6071,1.0,,0.5094,0.5771,0.6128,0.859,0.3049,0.3891,0.8204,0.8496,0.4267,0.7467,0.4229,0.6579,0.4887,0.8515,0.8797,0.515,0.8496,0.4887,0.8252
+Brinkman,,,1.0,1.0,1.0,1.0,,,,,1.0,,,,,1.0,1.0,0.0,1.0,0.0,1.0,
+CDA,0.5941,0.5094,1.0,1.0,0.8873,0.8399,0.563,0.5122,0.4828,0.6161,0.5948,0.5712,0.7191,0.6131,0.7119,0.5327,0.5964,0.5408,0.7631,0.5343,0.902,0.6007
+ChristenUnie,0.5859,0.5771,1.0,0.8873,1.0,0.8905,0.6367,0.4268,0.4321,0.6787,0.6716,0.527,0.7809,0.577,0.7463,0.5147,0.6732,0.6046,0.7255,0.6078,0.8709,0.6809
+D66,0.5188,0.6128,1.0,0.8399,0.8905,1.0,0.6056,0.3841,0.4043,0.687,0.7124,0.4894,0.8127,0.5262,0.6825,0.4641,0.7141,0.6389,0.6552,0.6095,0.8497,0.725
+DENK,0.7267,0.859,,0.563,0.6367,0.6056,1.0,0.3963,0.4255,0.8435,0.838,0.5172,0.7678,0.5148,0.743,0.5663,0.8396,0.8249,0.6301,0.8478,0.5466,0.8151
+Ephraim,0.7256,0.3049,,0.5122,0.4268,0.3841,0.3963,1.0,0.7378,0.378,0.311,0.7439,0.3548,0.7134,0.5427,0.6585,0.311,0.311,0.6829,0.3963,0.561,0.3293
+FVD,0.6432,0.3891,,0.4828,0.4321,0.4043,0.4255,0.7378,1.0,0.3888,0.3584,0.8134,0.3689,0.741,0.545,0.7709,0.3601,0.3682,0.6088,0.4468,0.4861,0.3552
+Fractie Den Haan,0.6656,0.8204,,0.6161,0.6787,0.687,0.8435,0.378,0.3888,1.0,0.8616,0.4629,0.8352,0.5025,0.7265,0.5008,0.8633,0.8188,0.6326,0.7924,0.6096,0.8287
+GroenLinks,0.6334,0.8496,1.0,0.5948,0.6716,0.7124,0.838,0.311,0.3584,0.8616,1.0,0.4206,0.8296,0.441,0.7185,0.4837,0.9984,0.8971,0.5899,0.8513,0.5817,0.9149
+Groep Van Haga,0.7283,0.4267,,0.5712,0.527,0.4894,0.5172,0.7439,0.8134,0.4629,0.4206,1.0,0.4457,0.8,0.6301,0.7676,0.4223,0.4141,0.6907,0.4861,0.5777,0.4304
+Gündogan,0.6255,0.7467,,0.7191,0.7809,0.8127,0.7678,0.3548,0.3689,0.8352,0.8296,0.4457,1.0,0.4963,0.7303,0.4288,0.8315,0.779,0.6667,0.7228,0.7079,0.8446
+JA21,0.7246,0.4229,,0.6131,0.577,0.5262,0.5148,0.7134,0.741,0.5025,0.441,0.8,0.4963,1.0,0.6836,0.7262,0.4426,0.4213,0.7197,0.5033,0.6164,0.4574
+Omtzigt,0.7741,0.6579,,0.7119,0.7463,0.6825,0.743,0.5427,0.545,0.7265,0.7185,0.6301,0.7303,0.6836,1.0,0.6367,0.7201,0.6825,0.7889,0.725,0.6923,0.7283
+PVV,0.7119,0.4887,1.0,0.5327,0.5147,0.4641,0.5663,0.6585,0.7709,0.5008,0.4837,0.7676,0.4288,0.7262,0.6367,1.0,0.482,0.482,0.652,0.5539,0.5196,0.4599
+PvdA,0.635,0.8515,1.0,0.5964,0.6732,0.7141,0.8396,0.311,0.3601,0.8633,0.9984,0.4223,0.8315,0.4426,0.7201,0.482,1.0,0.8954,0.5915,0.8497,0.5833,0.9165
+PvdD,0.6072,0.8797,0.0,0.5408,0.6046,0.6389,0.8249,0.311,0.3682,0.8188,0.8971,0.4141,0.779,0.4213,0.6825,0.482,0.8954,1.0,0.5392,0.8562,0.5147,0.8527
+SGP,0.7725,0.515,1.0,0.7631,0.7255,0.6552,0.6301,0.6829,0.6088,0.6326,0.5899,0.6907,0.6667,0.7197,0.7889,0.652,0.5915,0.5392,1.0,0.5752,0.7369,0.5892
+SP,0.6759,0.8496,0.0,0.5343,0.6078,0.6095,0.8478,0.3963,0.4468,0.7924,0.8513,0.4861,0.7228,0.5033,0.725,0.5539,0.8497,0.8562,0.5752,1.0,0.5245,0.8003
+VVD,0.5777,0.4887,1.0,0.902,0.8709,0.8497,0.5466,0.561,0.4861,0.6096,0.5817,0.5777,0.7079,0.6164,0.6923,0.5196,0.5833,0.5147,0.7369,0.5245,1.0,0.5974
+Volt,0.6072,0.8252,,0.6007,0.6809,0.725,0.8151,0.3293,0.3552,0.8287,0.9149,0.4304,0.8446,0.4574,0.7283,0.4599,0.9165,0.8527,0.5892,0.8003,0.5974,1.0